Markov theory includes Markov chain and Markov decision process.The former is a prediction method for stochastic processes, which can be used to predict corrosion status for pipeline.

• 马尔可夫理论包括马尔可夫链和马尔可夫决策过程两部分，前者是一种随机过程预测方法，可以用来预测管道腐蚀状况；